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(11)

EP 3 402 628 A1

(12)

(43) Date of publication: 21.11.2018 Bulletin 2018/47 (21) Application number: 17700094.0 (22) Date of filing: 10.01.2017

(51) International Patent Classification (IPC):  B23Q 17/22(2006.01) G01B 3/22(2006.01) G01B 21/04(2006.01) G05B 19/401(2006.01) (86) International application number: PCT/GB2017/050040 (87) International publication number: WO 2017/121990 (20.07.2017 Gazette 2017/29)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 12.01.2016 EP 16150852 (71) Applicants: Renishaw Plc. Wotton-Under-Edge, Gloucestershire GL12 8JR (GB) Metrology Software Products Limited Alnwick, Northumberland NE66 2DE (GB)

(72) Inventor: HAMMOND, Peter, Russell Alnwick Northumberland NE66 2DE (GB) (74) Representative: Dunn, Paul Edward et al Renishaw plc Patent Department New Mills Wotton-under-Edge, Glos. GL12 8JR Wotton-under-Edge, Glos. GL12 8JR (GB)